package com.heima.media.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.heima.common.dto.PageResponseResult;
import com.heima.common.dto.ResponseResult;
import com.heima.common.dto.User;
import com.heima.common.enums.AppHttpCodeEnum;
import com.heima.common.minio.MinIOService;
import com.heima.common.util.UserThreadLocalUtil;
import com.heima.media.dot.WmMaterialDto;
import com.heima.media.entity.WmMaterial;
import com.heima.media.mapper.WmMaterialMapper;
import com.heima.media.service.IWmMaterialService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.util.Date;

/**
 * <p>
 * 自媒体图文素材信息表 服务实现类
 * </p>
 *
 * @author syn
 * @since 2021-12-31
 */
@Service
public class WmMaterialServiceImpl extends ServiceImpl<WmMaterialMapper, WmMaterial> implements IWmMaterialService {
    // 注入MinIOService
    @Autowired
    private MinIOService minIOService;

    @Override
    public ResponseResult upload(MultipartFile file) {
        //通过本地线程获取当前登录用户id
        User user = UserThreadLocalUtil.get();
        System.err.println(file);
        if (user==null){
            //说明没有登录,返回登录后才可以操作
            return ResponseResult.errorResult(AppHttpCodeEnum.NEED_LOGIN);
        }
        try {
            // 调用minio上传图片
            // 返回图片的url
            String url = minIOService.upload(file);
            // 保存素材表
            WmMaterial material = new WmMaterial();
            material.setUserId(user.getUserId());
            material.setUrl(url);
            material.setType(0);
            material.setIsCollection(false);
            material.setCreatedTime(new Date());
            this.save(material);
            return ResponseResult.okResult(material);

        } catch (Exception e) {
            e.printStackTrace();
            return ResponseResult.errorResult(AppHttpCodeEnum.SERVER_ERROR);
        }
    }

    @Override
    public ResponseResult list(WmMaterialDto dto) {
        // 获取当前用户的id
        User user = UserThreadLocalUtil.get();
        if (user == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.NEED_LOGIN);
        }
        //构建查询条件
        LambdaQueryWrapper<WmMaterial>query=new LambdaQueryWrapper<>();
        //判断用户是否传入收藏状态
        if (dto.getIsCollection()!=null){
            query.eq(WmMaterial::getIsCollection,dto.getIsCollection());
        }
        //隐藏条件.自己只能查自己的素材
        query.eq(WmMaterial::getUserId,user.getUserId());
        //对结果进行排序,根据创建时间倒序排序
        query.orderByDesc(WmMaterial::getCreatedTime);
        //分页条件
        Page<WmMaterial> page = new Page<>(dto.getPage(), dto.getSize());
        //分页查询
        IPage<WmMaterial>iPage=this.page(page,query);
        //构建通用的分页响应
        return new PageResponseResult(dto.getPage(),dto.getSize(),iPage.getTotal(),iPage.getRecords());


    }
}
